Image optimisation
WebP vs AVIF vs JPEG: which image format should you use?
A practical comparison of WebP, AVIF and JPEG for websites: which to use by default, where AVIF is worth the extra effort, and how to serve both with a fallback.
Tag
Image tools
3 articles
Image optimisation
What favicon sizes do you actually need?
The short list of favicon sizes a modern website needs, what each one is for, the HTML to add, and what Google requires to show your icon in search.
News
Welcome to Refract Tools
Why Refract exists, what the ten free tools do, and why your files never leave your browser.